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refactored highgui_specificvideo* tests; fixed repeated libswscale context creation in videocapture & videowriter (ticket #1541)

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This commit is contained in:
Vadim Pisarevsky 2012-04-25 12:56:09 +00:00
parent 8d130ff10c
commit c0fcfcc7d8
3 changed files with 463 additions and 637 deletions
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653
modules/highgui/src/cap_ffmpeg_impl_v2.hpp
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@ -63,6 +63,10 @@ extern "C" {
#include <libswscale/swscale.h>
#else
#ifndef HAVE_FFMPEG_SWSCALE
#error "libswscale is necessary to build the newer OpenCV ffmpeg wrapper"
#endif
// if the header path is not specified explicitly, let's deduce it
#if !defined HAVE_FFMPEG_AVCODEC_H && !defined HAVE_LIBAVCODEC_AVCODEC_H
@ -232,9 +236,7 @@ struct CvCapture_FFMPEG
AVPacket packet;
Image_FFMPEG frame;
#if defined(HAVE_FFMPEG_SWSCALE)
struct SwsContext *img_convert_ctx;
#endif
struct SwsContext *img_convert_ctx;
int64_t frame_number;
@ -260,9 +262,7 @@ void CvCapture_FFMPEG::init()
memset( &frame, 0, sizeof(frame) );
filename = 0;
packet.data = NULL;
#if defined(HAVE_FFMPEG_SWSCALE)
img_convert_ctx = 0;
#endif
avcodec = 0;
frame_number = 0;
@ -272,6 +272,12 @@ void CvCapture_FFMPEG::init()
void CvCapture_FFMPEG::close()
{
if( img_convert_ctx )
{
sws_freeContext(img_convert_ctx);
img_convert_ctx = 0;
}
if( picture )
av_free(picture);
@ -545,32 +551,32 @@ bool CvCapture_FFMPEG::retrieveFrame(int, unsigned char** data, int* step, int*
if( !video_st || !picture->data[0] )
return false;
avpicture_fill((AVPicture*)&rgb_picture, rgb_picture.data[0], PIX_FMT_RGB24, video_st->codec->width, video_st->codec->height);
avpicture_fill((AVPicture*)&rgb_picture, rgb_picture.data[0], PIX_FMT_RGB24,
video_st->codec->width, video_st->codec->height);
frame.width = video_st->codec->width;
frame.height = video_st->codec->height;
if( img_convert_ctx == NULL ||
frame.width != video_st->codec->width ||
frame.height != video_st->codec->height )
{
if( img_convert_ctx )
sws_freeContext(img_convert_ctx);
frame.width = video_st->codec->width;
frame.height = video_st->codec->height;
img_convert_ctx = sws_getContext(
video_st->codec->width, video_st->codec->height,
video_st->codec->pix_fmt,
video_st->codec->width, video_st->codec->height,
PIX_FMT_BGR24,
SWS_BICUBIC,
NULL, NULL, NULL
);
img_convert_ctx = sws_getCachedContext(
NULL,
video_st->codec->width, video_st->codec->height,
video_st->codec->pix_fmt,
video_st->codec->width, video_st->codec->height,
PIX_FMT_BGR24,
SWS_BICUBIC,
NULL, NULL, NULL
);
img_convert_ctx = sws_getCachedContext(
img_convert_ctx,
video_st->codec->width, video_st->codec->height,
video_st->codec->pix_fmt,
video_st->codec->width, video_st->codec->height,
PIX_FMT_BGR24,
SWS_BICUBIC,
NULL, NULL, NULL
);
if (img_convert_ctx == NULL)
return false;//CV_Error(0, "Cannot initialize the conversion context!");
if (img_convert_ctx == NULL)
return false;//CV_Error(0, "Cannot initialize the conversion context!");
}
sws_scale(
img_convert_ctx,
@ -581,10 +587,6 @@ bool CvCapture_FFMPEG::retrieveFrame(int, unsigned char** data, int* step, int*
rgb_picture.linesize
);
sws_freeContext(img_convert_ctx);
frame_number++;
*data = frame.data;
@ -674,7 +676,8 @@ double CvCapture_FFMPEG::get_duration_sec()
if (sec < eps_zero)
{
sec = static_cast<double>(static_cast<int64_t>(ic->streams[video_stream]->duration)) * r2d(ic->streams[video_stream]->time_base);
sec = static_cast<double>(static_cast<int64_t>(ic->streams[video_stream]->duration)) *
r2d(ic->streams[video_stream]->time_base);
}
return sec;
@ -721,7 +724,8 @@ int64_t CvCapture_FFMPEG::dts_to_frame_number(int64_t dts)
double CvCapture_FFMPEG::dts_to_sec(int64_t dts)
{
return static_cast<double>(dts - ic->streams[video_stream]->start_time) * r2d(ic->streams[video_stream]->time_base);
return static_cast<double>(dts - ic->streams[video_stream]->start_time) *
r2d(ic->streams[video_stream]->time_base);
}
void CvCapture_FFMPEG::seek(int64_t _frame_number)
@ -828,9 +832,7 @@ struct CvVideoWriter_FFMPEG
Image_FFMPEG temp_image;
int frame_width, frame_height;
bool ok;
#if defined(HAVE_FFMPEG_SWSCALE)
struct SwsContext *img_convert_ctx;
#endif
};
static const char * icvFFMPEGErrStr(int err)
@ -904,9 +906,7 @@ void CvVideoWriter_FFMPEG::init()
video_st = 0;
input_pix_fmt = 0;
memset(&temp_image, 0, sizeof(temp_image));
#if defined(HAVE_FFMPEG_SWSCALE)
img_convert_ctx = 0;
#endif
frame_width = frame_height = 0;
ok = false;
}
@ -1190,32 +1190,25 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
avpicture_fill((AVPicture *)input_picture, (uint8_t *) data,
(PixelFormat)input_pix_fmt, width, height);
#if !defined(HAVE_FFMPEG_SWSCALE)
// convert to the color format needed by the codec
if( img_convert((AVPicture *)picture, c->pix_fmt,
(AVPicture *)input_picture, (PixelFormat)input_pix_fmt,
width, height) < 0){
return false;
if( !img_convert_ctx )
{
img_convert_ctx = sws_getContext(width,
height,
(PixelFormat)input_pix_fmt,
c->width,
c->height,
c->pix_fmt,
SWS_BICUBIC,
NULL, NULL, NULL);
if( !img_convert_ctx )
return false;
}
#else
img_convert_ctx = sws_getContext(width,
height,
(PixelFormat)input_pix_fmt,
c->width,
c->height,
c->pix_fmt,
SWS_BICUBIC,
NULL, NULL, NULL);
if ( sws_scale(img_convert_ctx, input_picture->data,
input_picture->linesize, 0,
height,
picture->data, picture->linesize) < 0 )
{
return false;
}
sws_freeContext(img_convert_ctx);
#endif
}
else{
avpicture_fill((AVPicture *)picture, (uint8_t *) data,
@ -1235,7 +1228,7 @@ void CvVideoWriter_FFMPEG::close()
// nothing to do if already released
if ( !picture )
return;
/* no more frame to compress. The codec has a latency of a few
frames if using B frames, so we get the last frames by
passing the same picture again */
@ -1244,7 +1237,7 @@ void CvVideoWriter_FFMPEG::close()
/* write the trailer, if any */
if(ok && oc)
{
if (!(oc->oformat->flags & AVFMT_RAWPICTURE))
if( (oc->oformat->flags & AVFMT_RAWPICTURE) == 0 )
{
for(;;)
{
@ -1255,361 +1248,369 @@ void CvVideoWriter_FFMPEG::close()
}
av_write_trailer(oc);
}
if( img_convert_ctx )
{
sws_freeContext(img_convert_ctx);
img_convert_ctx = 0;
}
// free pictures
#if LIBAVFORMAT_BUILD > 4628
if( video_st->codec->pix_fmt != input_pix_fmt){
if( video_st->codec->pix_fmt != input_pix_fmt)
#else
if( video_st->codec.pix_fmt != input_pix_fmt){
if( video_st->codec.pix_fmt != input_pix_fmt)
#endif
if(picture->data[0])
free(picture->data[0]);
picture->data[0] = 0;
}
av_free(picture);
{
if(picture->data[0])
free(picture->data[0]);
picture->data[0] = 0;
}
av_free(picture);
if (input_picture) {
av_free(input_picture);
}
if (input_picture)
av_free(input_picture);
/* close codec */
/* close codec */
#if LIBAVFORMAT_BUILD > 4628
avcodec_close(video_st->codec);
avcodec_close(video_st->codec);
#else
avcodec_close(&(video_st->codec));
avcodec_close(&(video_st->codec));
#endif
av_free(outbuf);
av_free(outbuf);
/* free the streams */
for(i = 0; i < oc->nb_streams; i++) {
av_freep(&oc->streams[i]->codec);
av_freep(&oc->streams[i]);
}
/* free the streams */
for(i = 0; i < oc->nb_streams; i++)
{
av_freep(&oc->streams[i]->codec);
av_freep(&oc->streams[i]);
}
if (!(fmt->flags & AVFMT_NOFILE)) {
/* close the output file */
if (!(fmt->flags & AVFMT_NOFILE))
{
/* close the output file */
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(123<<8)+0)
#if LIBAVCODEC_VERSION_INT >= ((51<<16)+(49<<8)+0)
url_fclose(oc->pb);
url_fclose(oc->pb);
#else
url_fclose(&oc->pb);
url_fclose(&oc->pb);
#endif
#else
avio_close(oc->pb);
avio_close(oc->pb);
#endif
}
/* free the stream */
av_free(oc);
if( temp_image.data )
{
free(temp_image.data);
temp_image.data = 0;
}
init();
}
/// Create a video writer object that uses FFMPEG
bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
double fps, int width, int height, bool is_color )
/* free the stream */
av_free(oc);
if( temp_image.data )
{
CodecID codec_id = CODEC_ID_NONE;
int err, codec_pix_fmt;
double bitrate_scale = 1;
free(temp_image.data);
temp_image.data = 0;
}
close();
init();
}
// check arguments
if( !filename )
return false;
if(fps <= 0)
return false;
// we allow frames of odd width or height, but in this case we truncate
// the rightmost column/the bottom row. Probably, this should be handled more elegantly,
// but some internal functions inside FFMPEG swscale require even width/height.
width &= -2;
height &= -2;
if( width <= 0 || height <= 0 )
return false;
/// Create a video writer object that uses FFMPEG
bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
double fps, int width, int height, bool is_color )
{
CodecID codec_id = CODEC_ID_NONE;
int err, codec_pix_fmt;
double bitrate_scale = 1;
// tell FFMPEG to register codecs
av_register_all();
av_log_set_level(AV_LOG_ERROR);
close();
/* auto detect the output format from the name and fourcc code. */
// check arguments
if( !filename )
return false;
if(fps <= 0)
return false;
// we allow frames of odd width or height, but in this case we truncate
// the rightmost column/the bottom row. Probably, this should be handled more elegantly,
// but some internal functions inside FFMPEG swscale require even width/height.
width &= -2;
height &= -2;
if( width <= 0 || height <= 0 )
return false;
// tell FFMPEG to register codecs
av_register_all();
av_log_set_level(AV_LOG_ERROR);
/* auto detect the output format from the name and fourcc code. */
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
fmt = av_guess_format(NULL, filename, NULL);
fmt = av_guess_format(NULL, filename, NULL);
#else
fmt = guess_format(NULL, filename, NULL);
fmt = guess_format(NULL, filename, NULL);
#endif
if (!fmt)
return false;
if (!fmt)
return false;
/* determine optimal pixel format */
if (is_color) {
input_pix_fmt = PIX_FMT_BGR24;
}
else {
input_pix_fmt = PIX_FMT_GRAY8;
}
/* determine optimal pixel format */
if (is_color) {
input_pix_fmt = PIX_FMT_BGR24;
}
else {
input_pix_fmt = PIX_FMT_GRAY8;
}
/* Lookup codec_id for given fourcc */
/* Lookup codec_id for given fourcc */
#if LIBAVCODEC_VERSION_INT<((51<<16)+(49<<8)+0)
if( (codec_id = codec_get_bmp_id( fourcc )) == CODEC_ID_NONE )
return false;
if( (codec_id = codec_get_bmp_id( fourcc )) == CODEC_ID_NONE )
return false;
#else
const struct AVCodecTag * tags[] = { codec_bmp_tags, NULL};
if( (codec_id = av_codec_get_id(tags, fourcc)) == CODEC_ID_NONE )
return false;
const struct AVCodecTag * tags[] = { codec_bmp_tags, NULL};
if( (codec_id = av_codec_get_id(tags, fourcc)) == CODEC_ID_NONE )
return false;
#endif
// alloc memory for context
// alloc memory for context
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
oc = avformat_alloc_context();
oc = avformat_alloc_context();
#else
oc = av_alloc_format_context();
oc = av_alloc_format_context();
#endif
assert (oc);
assert (oc);
/* set file name */
oc->oformat = fmt;
snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
/* set file name */
oc->oformat = fmt;
snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
/* set some options */
oc->max_delay = (int)(0.7*AV_TIME_BASE); /* This reduces buffer underrun warnings with MPEG */
/* set some options */
oc->max_delay = (int)(0.7*AV_TIME_BASE); /* This reduces buffer underrun warnings with MPEG */
// set a few optimal pixel formats for lossless codecs of interest..
switch (codec_id) {
// set a few optimal pixel formats for lossless codecs of interest..
switch (codec_id) {
#if LIBAVCODEC_VERSION_INT>((50<<16)+(1<<8)+0)
case CODEC_ID_JPEGLS:
// BGR24 or GRAY8 depending on is_color...
codec_pix_fmt = input_pix_fmt;
break;
case CODEC_ID_JPEGLS:
// BGR24 or GRAY8 depending on is_color...
codec_pix_fmt = input_pix_fmt;
break;
#endif
case CODEC_ID_HUFFYUV:
codec_pix_fmt = PIX_FMT_YUV422P;
break;
case CODEC_ID_MJPEG:
case CODEC_ID_LJPEG:
codec_pix_fmt = PIX_FMT_YUVJ420P;
bitrate_scale = 3;
break;
case CODEC_ID_RAWVIDEO:
codec_pix_fmt = input_pix_fmt == PIX_FMT_GRAY8 ||
input_pix_fmt == PIX_FMT_GRAY16LE ||
input_pix_fmt == PIX_FMT_GRAY16BE ? input_pix_fmt : PIX_FMT_YUV420P;
break;
default:
// good for lossy formats, MPEG, etc.
codec_pix_fmt = PIX_FMT_YUV420P;
break;
}
double bitrate = MIN(bitrate_scale*fps*width*height, (double)INT_MAX/2);
case CODEC_ID_HUFFYUV:
codec_pix_fmt = PIX_FMT_YUV422P;
break;
case CODEC_ID_MJPEG:
case CODEC_ID_LJPEG:
codec_pix_fmt = PIX_FMT_YUVJ420P;
bitrate_scale = 3;
break;
case CODEC_ID_RAWVIDEO:
codec_pix_fmt = input_pix_fmt == PIX_FMT_GRAY8 ||
input_pix_fmt == PIX_FMT_GRAY16LE ||
input_pix_fmt == PIX_FMT_GRAY16BE ? input_pix_fmt : PIX_FMT_YUV420P;
break;
default:
// good for lossy formats, MPEG, etc.
codec_pix_fmt = PIX_FMT_YUV420P;
break;
}
double bitrate = MIN(bitrate_scale*fps*width*height, (double)INT_MAX/2);
// TODO -- safe to ignore output audio stream?
video_st = icv_add_video_stream_FFMPEG(oc, codec_id,
width, height, (int)(bitrate + 0.5),
fps, codec_pix_fmt);
// TODO -- safe to ignore output audio stream?
video_st = icv_add_video_stream_FFMPEG(oc, codec_id,
width, height, (int)(bitrate + 0.5),
fps, codec_pix_fmt);
/* set the output parameters (must be done even if no
parameters). */
/* set the output parameters (must be done even if no
parameters). */
#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
if (av_set_parameters(oc, NULL) < 0) {
return false;
}
if (av_set_parameters(oc, NULL) < 0) {
return false;
}
#endif
#if 0
#if FF_API_DUMP_FORMAT
dump_format(oc, 0, filename, 1);
dump_format(oc, 0, filename, 1);
#else
av_dump_format(oc, 0, filename, 1);
av_dump_format(oc, 0, filename, 1);
#endif
#endif
/* now that all the parameters are set, we can open the audio and
video codecs and allocate the necessary encode buffers */
if (!video_st){
return false;
}
/* now that all the parameters are set, we can open the audio and
video codecs and allocate the necessary encode buffers */
if (!video_st){
return false;
}
AVCodec *codec;
AVCodecContext *c;
AVCodec *codec;
AVCodecContext *c;
#if LIBAVFORMAT_BUILD > 4628
c = (video_st->codec);
c = (video_st->codec);
#else
c = &(video_st->codec);
c = &(video_st->codec);
#endif
c->codec_tag = fourcc;
/* find the video encoder */
codec = avcodec_find_encoder(c->codec_id);
if (!codec) {
fprintf(stderr, "Could not find encoder for codec id %d: %s", c->codec_id, icvFFMPEGErrStr(
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
AVERROR_ENCODER_NOT_FOUND
#else
-1
#endif
));
return false;
}
c->codec_tag = fourcc;
/* find the video encoder */
codec = avcodec_find_encoder(c->codec_id);
if (!codec) {
fprintf(stderr, "Could not find encoder for codec id %d: %s", c->codec_id, icvFFMPEGErrStr(
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
AVERROR_ENCODER_NOT_FOUND
#else
-1
#endif
));
return false;
}
unsigned long long lbit_rate = static_cast<unsigned long long>(c->bit_rate);
lbit_rate += (bitrate / 2);
lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max()));
c->bit_rate_tolerance = static_cast<int>(lbit_rate);
c->bit_rate = static_cast<int>(lbit_rate);
unsigned long long lbit_rate = static_cast<unsigned long long>(c->bit_rate);
lbit_rate += (bitrate / 2);
lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max()));
c->bit_rate_tolerance = static_cast<int>(lbit_rate);
c->bit_rate = static_cast<int>(lbit_rate);
/* open the codec */
if ((err=
/* open the codec */
if ((err=
#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
avcodec_open2(c, codec, NULL)
avcodec_open2(c, codec, NULL)
#else
avcodec_open(c, codec)
avcodec_open(c, codec)
#endif
) < 0) {
fprintf(stderr, "Could not open codec '%s': %s", codec->name, icvFFMPEGErrStr(err));
) < 0) {
fprintf(stderr, "Could not open codec '%s': %s", codec->name, icvFFMPEGErrStr(err));
return false;
}
outbuf = NULL;
if (!(oc->oformat->flags & AVFMT_RAWPICTURE)) {
/* allocate output buffer */
/* assume we will never get codec output with more than 4 bytes per pixel... */
outbuf_size = width*height*4;
outbuf = (uint8_t *) av_malloc(outbuf_size);
}
bool need_color_convert;
need_color_convert = (c->pix_fmt != input_pix_fmt);
/* allocate the encoded raw picture */
picture = icv_alloc_picture_FFMPEG(c->pix_fmt, c->width, c->height, need_color_convert);
if (!picture) {
return false;
}
/* if the output format is not our input format, then a temporary
picture of the input format is needed too. It is then converted
to the required output format */
input_picture = NULL;
if ( need_color_convert ) {
input_picture = icv_alloc_picture_FFMPEG(input_pix_fmt, c->width, c->height, false);
if (!input_picture) {
return false;
}
}
outbuf = NULL;
if (!(oc->oformat->flags & AVFMT_RAWPICTURE)) {
/* allocate output buffer */
/* assume we will never get codec output with more than 4 bytes per pixel... */
outbuf_size = width*height*4;
outbuf = (uint8_t *) av_malloc(outbuf_size);
}
bool need_color_convert;
need_color_convert = (c->pix_fmt != input_pix_fmt);
/* allocate the encoded raw picture */
picture = icv_alloc_picture_FFMPEG(c->pix_fmt, c->width, c->height, need_color_convert);
if (!picture) {
return false;
}
/* if the output format is not our input format, then a temporary
picture of the input format is needed too. It is then converted
to the required output format */
input_picture = NULL;
if ( need_color_convert ) {
input_picture = icv_alloc_picture_FFMPEG(input_pix_fmt, c->width, c->height, false);
if (!input_picture) {
return false;
}
}
/* open the output file, if needed */
if (!(fmt->flags & AVFMT_NOFILE)) {
/* open the output file, if needed */
if (!(fmt->flags & AVFMT_NOFILE)) {
#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0)
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0)
#else
if (avio_open(&oc->pb, filename, AVIO_FLAG_WRITE) < 0)
if (avio_open(&oc->pb, filename, AVIO_FLAG_WRITE) < 0)
#endif
{
return false;
}
}
/* write the stream header, if any */
err=avformat_write_header(oc, NULL);
if(err < 0)
{
close();
remove(filename);
{
return false;
}
frame_width = width;
frame_height = height;
ok = true;
return true;
}
CvCapture_FFMPEG* cvCreateFileCapture_FFMPEG( const char* filename )
/* write the stream header, if any */
err=avformat_write_header(oc, NULL);
if(err < 0)
{
CvCapture_FFMPEG* capture = (CvCapture_FFMPEG*)malloc(sizeof(*capture));
capture->init();
if( capture->open( filename ))
return capture;
capture->close();
free(capture);
return 0;
close();
remove(filename);
return false;
}
frame_width = width;
frame_height = height;
ok = true;
return true;
}
void cvReleaseCapture_FFMPEG(CvCapture_FFMPEG** capture)
CvCapture_FFMPEG* cvCreateFileCapture_FFMPEG( const char* filename )
{
CvCapture_FFMPEG* capture = (CvCapture_FFMPEG*)malloc(sizeof(*capture));
capture->init();
if( capture->open( filename ))
return capture;
capture->close();
free(capture);
return 0;
}
void cvReleaseCapture_FFMPEG(CvCapture_FFMPEG** capture)
{
if( capture && *capture )
{
if( capture && *capture )
{
(*capture)->close();
free(*capture);
*capture = 0;
}
(*capture)->close();
free(*capture);
*capture = 0;
}
}
int cvSetCaptureProperty_FFMPEG(CvCapture_FFMPEG* capture, int prop_id, double value)
int cvSetCaptureProperty_FFMPEG(CvCapture_FFMPEG* capture, int prop_id, double value)
{
return capture->setProperty(prop_id, value);
}
double cvGetCaptureProperty_FFMPEG(CvCapture_FFMPEG* capture, int prop_id)
{
return capture->getProperty(prop_id);
}
int cvGrabFrame_FFMPEG(CvCapture_FFMPEG* capture)
{
return capture->grabFrame();
}
int cvRetrieveFrame_FFMPEG(CvCapture_FFMPEG* capture, unsigned char** data, int* step, int* width, int* height, int* cn)
{
return capture->retrieveFrame(0, data, step, width, height, cn);
}
CvVideoWriter_FFMPEG* cvCreateVideoWriter_FFMPEG( const char* filename, int fourcc, double fps,
int width, int height, int isColor )
{
CvVideoWriter_FFMPEG* writer = (CvVideoWriter_FFMPEG*)malloc(sizeof(*writer));
writer->init();
if( writer->open( filename, fourcc, fps, width, height, isColor != 0 ))
return writer;
writer->close();
free(writer);
return 0;
}
void cvReleaseVideoWriter_FFMPEG( CvVideoWriter_FFMPEG** writer )
{
if( writer && *writer )
{
return capture->setProperty(prop_id, value);
}
double cvGetCaptureProperty_FFMPEG(CvCapture_FFMPEG* capture, int prop_id)
{
return capture->getProperty(prop_id);
}
int cvGrabFrame_FFMPEG(CvCapture_FFMPEG* capture)
{
return capture->grabFrame();
}
int cvRetrieveFrame_FFMPEG(CvCapture_FFMPEG* capture, unsigned char** data, int* step, int* width, int* height, int* cn)
{
return capture->retrieveFrame(0, data, step, width, height, cn);
}
CvVideoWriter_FFMPEG* cvCreateVideoWriter_FFMPEG( const char* filename, int fourcc, double fps,
int width, int height, int isColor )
{
CvVideoWriter_FFMPEG* writer = (CvVideoWriter_FFMPEG*)malloc(sizeof(*writer));
writer->init();
if( writer->open( filename, fourcc, fps, width, height, isColor != 0 ))
return writer;
writer->close();
free(writer);
return 0;
(*writer)->close();
free(*writer);
*writer = 0;
}
}
void cvReleaseVideoWriter_FFMPEG( CvVideoWriter_FFMPEG** writer )
{
if( writer && *writer )
{
(*writer)->close();
free(*writer);
*writer = 0;
}
}
int cvWriteFrame_FFMPEG( CvVideoWriter_FFMPEG* writer,
const unsigned char* data, int step,
int width, int height, int cn, int origin)
{
return writer->writeFrame(data, step, width, height, cn, origin);
}
int cvWriteFrame_FFMPEG( CvVideoWriter_FFMPEG* writer,
const unsigned char* data, int step,
int width, int height, int cn, int origin)
{
return writer->writeFrame(data, step, width, height, cn, origin);
}

6
modules/highgui/test/test_precomp.hpp
View File

@ -57,5 +57,11 @@
# define BUILD_WITH_VIDEO_OUTPUT_SUPPORT 0
#endif
namespace cvtest
{
string fourccToString(int fourcc);
}
#endif

441
modules/highgui/test/test_video_io.cpp
View File

@ -46,76 +46,76 @@
using namespace cv;
using namespace std;
string cvtest::fourccToString(int fourcc)
{
return format("%c%c%c%c", fourcc & 255, (fourcc >> 8) & 255, (fourcc >> 16) & 255, (fourcc >> 24) & 255);
}
struct VideoFmt
{
VideoFmt() { fourcc = -1; }
VideoFmt(const string& _ext, int _fourcc) : ext(_ext), fourcc(_fourcc) {}
bool empty() const { return ext.empty(); }
string ext;
int fourcc;
};
static const VideoFmt specific_fmt_list[] =
{
VideoFmt("avi", CV_FOURCC('m', 'p', 'e', 'g')),
VideoFmt("avi", CV_FOURCC('M', 'J', 'P', 'G')),
VideoFmt("avi", CV_FOURCC('I', 'Y', 'U', 'V')),
VideoFmt("mkv", CV_FOURCC('X', 'V', 'I', 'D')),
VideoFmt("mov", CV_FOURCC('m', 'p', '4', 'v')),
VideoFmt()
};
class CV_HighGuiTest : public cvtest::BaseTest
{
protected:
void ImageTest(const string& dir);
void VideoTest (const string& dir, int fourcc);
void VideoTest (const string& dir, const VideoFmt& fmt);
void SpecificImageTest (const string& dir);
void SpecificVideoFileTest (const string& dir, const char codecchars[4]);
void SpecificVideoCameraTest (const string& dir, const char codecchars[4]);
void SpecificVideoTest (const string& dir, const VideoFmt& fmt);
public:
CV_HighGuiTest();
~CV_HighGuiTest();
CV_HighGuiTest() {}
~CV_HighGuiTest() {}
virtual void run(int) = 0;
};
class CV_ImageTest : public CV_HighGuiTest
{
public:
CV_ImageTest();
~CV_ImageTest();
CV_ImageTest() {}
~CV_ImageTest() {}
void run(int);
};
class CV_SpecificImageTest : public CV_HighGuiTest
{
public:
CV_SpecificImageTest();
~CV_SpecificImageTest();
CV_SpecificImageTest() {}
~CV_SpecificImageTest() {}
void run(int);
};
class CV_VideoTest : public CV_HighGuiTest
{
public:
CV_VideoTest();
~CV_VideoTest();
CV_VideoTest() {}
~CV_VideoTest() {}
void run(int);
};
class CV_SpecificVideoFileTest : public CV_HighGuiTest
class CV_SpecificVideoTest : public CV_HighGuiTest
{
public:
CV_SpecificVideoFileTest();
~CV_SpecificVideoFileTest();
CV_SpecificVideoTest() {}
~CV_SpecificVideoTest() {}
void run(int);
};
class CV_SpecificVideoCameraTest : public CV_HighGuiTest
{
public:
CV_SpecificVideoCameraTest();
~CV_SpecificVideoCameraTest();
void run(int);
};
CV_HighGuiTest::CV_HighGuiTest() {}
CV_HighGuiTest::~CV_HighGuiTest() {}
CV_ImageTest::CV_ImageTest() : CV_HighGuiTest() {}
CV_VideoTest::CV_VideoTest() : CV_HighGuiTest() {}
CV_SpecificImageTest::CV_SpecificImageTest() : CV_HighGuiTest() {}
CV_SpecificVideoFileTest::CV_SpecificVideoFileTest() : CV_HighGuiTest() {}
CV_SpecificVideoCameraTest::CV_SpecificVideoCameraTest() : CV_HighGuiTest() {}
CV_ImageTest::~CV_ImageTest() {}
CV_VideoTest::~CV_VideoTest() {}
CV_SpecificImageTest::~CV_SpecificImageTest() {}
CV_SpecificVideoFileTest::~CV_SpecificVideoFileTest() {}
CV_SpecificVideoCameraTest::~CV_SpecificVideoCameraTest() {}
double PSNR(const Mat& m1, const Mat& m2)
{
Mat tmp;
@ -232,10 +232,11 @@ void CV_HighGuiTest::ImageTest(const string& dir)
ts->set_failed_test_info(ts->OK);
}
void CV_HighGuiTest::VideoTest(const string& dir, int fourcc)
void CV_HighGuiTest::VideoTest(const string& dir, const VideoFmt& fmt)
{
string src_file = dir + "../cv/shared/video_for_test.avi";
string tmp_name = "video.avi";
string tmp_name = format("video.%s", fmt.ext.c_str());
ts->printf(ts->LOG, "reading video : %s\n", src_file.c_str());
@ -258,10 +259,11 @@ void CV_HighGuiTest::VideoTest(const string& dir, int fourcc)
if (writer == 0)
{
writer = cvCreateVideoWriter(tmp_name.c_str(), fourcc, 24, cvGetSize(img));
writer = cvCreateVideoWriter(tmp_name.c_str(), fmt.fourcc, 24, cvGetSize(img));
if (writer == 0)
{
ts->printf(ts->LOG, "can't create writer (with fourcc : %d)\n", fourcc);
ts->printf(ts->LOG, "can't create writer (with fourcc : %d)\n",
cvtest::fourccToString(fmt.fourcc).c_str());
cvReleaseCapture( &cap );
ts->set_failed_test_info(ts->FAIL_MISMATCH);
return;
@ -325,7 +327,7 @@ void CV_HighGuiTest::SpecificImageTest(const string& dir)
return;
}
cv::resize(image, image, cv::Size(968, 757), 0.0, 0.0, cv::INTER_CUBIC);
resize(image, image, Size(968, 757), 0.0, 0.0, INTER_CUBIC);
stringstream s_digit; s_digit << i;
@ -394,247 +396,99 @@ void CV_HighGuiTest::SpecificImageTest(const string& dir)
ts->set_failed_test_info(ts->OK);
}
void CV_HighGuiTest::SpecificVideoFileTest(const string& dir, const char codecchars[4])
{
const string exts[] = {"avi", "mov", "mpg", "wmv"};
const size_t n = sizeof(exts)/sizeof(exts[0]);
int fourcc0 = CV_FOURCC(codecchars[0], codecchars[1], codecchars[2], codecchars[3]);
for (size_t j = 0; j < n; ++j)
{
string ext = exts[j];
int fourcc = fourcc0;
if( (ext == "mov" && fourcc != CV_FOURCC('M', 'J', 'P', 'G')) ||
(ext == "mpg" && fourcc != CV_FOURCC('m', 'p', 'e', 'g')) ||
(ext == "wmv" && fourcc != CV_FOURCC('M', 'J', 'P', 'G')))
continue;
if( ext == "mov" )
fourcc = CV_FOURCC('m', 'p', '4', 'v');
string fourcc_str = format("%c%c%c%c", fourcc & 255, (fourcc >> 8) & 255, (fourcc >> 16) & 255, (fourcc >> 24) & 255);
const string video_file = "video_" + fourcc_str + "." + ext;
Size frame_size(968 & -2, 757 & -2);
//Size frame_size(968 & -16, 757 & -16);
//Size frame_size(640, 480);
void CV_HighGuiTest::SpecificVideoTest(const string& dir, const VideoFmt& fmt)
{
string ext = fmt.ext;
int fourcc = fmt.fourcc;
string fourcc_str = cvtest::fourccToString(fourcc);
const string video_file = "video_" + fourcc_str + "." + ext;
Size frame_size(968 & -2, 757 & -2);
VideoWriter writer(video_file, fourcc, 25, frame_size, true);
if (!writer.isOpened())
{
// call it repeatedly for easier debugging
VideoWriter writer(video_file, fourcc, 25, frame_size, true);
if (!writer.isOpened())
{
VideoWriter writer(video_file, fourcc, 25, frame_size, true);
ts->printf(ts->LOG, "Creating a video in %s...\n", video_file.c_str());
ts->printf(ts->LOG, "Cannot create VideoWriter object with codec %s.\n", fourcc_str.c_str());
ts->set_failed_test_info(ts->FAIL_MISMATCH);
continue;
}
const size_t IMAGE_COUNT = 30;
for(size_t i = 0; i < IMAGE_COUNT; ++i)
{
stringstream s_digit;
if (i < 10) {s_digit << "0"; s_digit << i;}
else s_digit << i;
const string file_path = dir+"../python/images/QCIF_"+s_digit.str()+".bmp";
cv::Mat img = imread(file_path, CV_LOAD_IMAGE_COLOR);
if (img.empty())
{
ts->printf(ts->LOG, "Creating a video in %s...\n", video_file.c_str());
ts->printf(ts->LOG, "Error: cannot read frame from %s.\n", (ts->get_data_path()+"../python/images/QCIF_"+s_digit.str()+".bmp").c_str());
ts->printf(ts->LOG, "Continue creating the video file...\n");
ts->set_failed_test_info(ts->FAIL_INVALID_TEST_DATA);
break;//continue;
}
cv::resize(img, img, frame_size, 0.0, 0.0, cv::INTER_CUBIC);
for (int k = 0; k < img.rows; ++k)
for (int l = 0; l < img.cols; ++l)
if (img.at<Vec3b>(k, l) == Vec3b::all(0))
img.at<Vec3b>(k, l) = Vec3b(0, 255, 0);
else img.at<Vec3b>(k, l) = Vec3b(0, 0, 255);
imwrite("QCIF_"+s_digit.str()+".bmp", img);
writer << img;
}
writer.release();
cv::VideoCapture cap(video_file);
size_t FRAME_COUNT = (size_t)cap.get(CV_CAP_PROP_FRAME_COUNT);
if (FRAME_COUNT != IMAGE_COUNT && ext != "mpg" )
{
ts->printf(ts->LOG, "\nFrame count checking for video_%s.%s...\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Video codec: %s\n", fourcc_str.c_str());
ts->printf(ts->LOG, "Required frame count: %d; Returned frame count: %d\n", IMAGE_COUNT, FRAME_COUNT);
ts->printf(ts->LOG, "Error: Incorrect frame count in the video.\n");
ts->printf(ts->LOG, "Continue checking...\n");
ts->set_failed_test_info(ts->FAIL_BAD_ACCURACY);
}
//cap.set(CV_CAP_PROP_POS_FRAMES, -1);
for (int i = 0; i < (int)std::min<size_t>(FRAME_COUNT, IMAGE_COUNT)-1; i++)
{
cv::Mat frame; cap >> frame;
if (frame.empty())
{
ts->printf(ts->LOG, "\nVideo file directory: %s\n", ".");
ts->printf(ts->LOG, "File name: video_%s.%s\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Video codec: %s\n", fourcc_str.c_str());
ts->printf(ts->LOG, "Error: cannot read the next frame with index %d.\n", i+1);
ts->set_failed_test_info(ts->FAIL_MISSING_TEST_DATA);
break;
}
stringstream s_digit;
if (i+1 < 10) {s_digit << "0"; s_digit << i+1;}
else s_digit << i+1;
cv::Mat img = imread("QCIF_"+s_digit.str()+".bmp", CV_LOAD_IMAGE_COLOR);
if (img.empty())
{
ts->printf(ts->LOG, "\nError: cannot read an image from %s.\n", ("QCIF_"+s_digit.str()+".bmp").c_str());
ts->set_failed_test_info(ts->FAIL_MISMATCH);
continue;
}
const double thresDbell = 40;
double psnr = PSNR(img, frame);
if (psnr > thresDbell)
{
ts->printf(ts->LOG, "\nReading frame from the file video_%s.%s...\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Frame index: %d\n", i+1);
ts->printf(ts->LOG, "Difference between saved and original images: %g\n", psnr);
ts->printf(ts->LOG, "Maximum allowed difference: %g\n", thresDbell);
ts->printf(ts->LOG, "Error: too big difference between saved and original images.\n");
break;
}
}
}
}
void CV_HighGuiTest::SpecificVideoCameraTest(const string& dir, const char codecchars[4])
{
const string ext[] = {"avi", "mov", "mp4", "mpg", "wmv"};
const size_t n = sizeof(ext)/sizeof(ext[0]);
const int IMAGE_COUNT = 125;
cv::VideoCapture cap(0);
if (!cap.isOpened())
{
ts->printf(ts->LOG, "\nError: cannot start working with device.\n");
ts->set_failed_test_info(ts->OK);
ts->printf(ts->LOG, "Creating a video in %s...\n", video_file.c_str());
ts->printf(ts->LOG, "Cannot create VideoWriter object with codec %s.\n", fourcc_str.c_str());
ts->set_failed_test_info(ts->FAIL_MISMATCH);
return;
}
for (size_t i = 0; i < n; ++i)
if ((ext[i]!="mp4")||(string(&codecchars[0], 4)!="IYUV"))
#if defined WIN32 || defined _WIN32
if (((ext[i]!="mov")||(string(&codecchars[0], 4)=="XVID"))&&(ext[i]!="mp4"))
#endif
const size_t IMAGE_COUNT = 30;
vector<Mat> images;
for( size_t i = 0; i < IMAGE_COUNT; ++i )
{
Mat frame; int framecount = 0;
cv::VideoWriter writer;
string file_path = format("%s../python/images/QCIF_%02d.bmp", dir.c_str(), i);
Mat img = imread(file_path, CV_LOAD_IMAGE_COLOR);
std::vector <cv::Mat> tmp_img(IMAGE_COUNT);
if (img.empty())
{
ts->printf(ts->LOG, "Creating a video in %s...\n", video_file.c_str());
ts->printf(ts->LOG, "Error: cannot read frame from %s.\n", file_path.c_str());
ts->printf(ts->LOG, "Continue creating the video file...\n");
ts->set_failed_test_info(ts->FAIL_INVALID_TEST_DATA);
break;
}
writer.open("video_"+string(&codecchars[0], 4)+"."+ext[i], CV_FOURCC(codecchars[0], codecchars[1], codecchars[2], codecchars[3]), 25, Size(968, 757), true);
for (int k = 0; k < img.rows; ++k)
for (int l = 0; l < img.cols; ++l)
if (img.at<Vec3b>(k, l) == Vec3b::all(0))
img.at<Vec3b>(k, l) = Vec3b(0, 255, 0);
else img.at<Vec3b>(k, l) = Vec3b(0, 0, 255);
resize(img, img, frame_size, 0.0, 0.0, INTER_CUBIC);
if (!writer.isOpened())
images.push_back(img);
writer << img;
}
writer.release();
VideoCapture cap(video_file);
size_t FRAME_COUNT = (size_t)cap.get(CV_CAP_PROP_FRAME_COUNT);
if (FRAME_COUNT != IMAGE_COUNT )
{
ts->printf(ts->LOG, "\nFrame count checking for video_%s.%s...\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Video codec: %s\n", fourcc_str.c_str());
ts->printf(ts->LOG, "Required frame count: %d; Returned frame count: %d\n", IMAGE_COUNT, FRAME_COUNT);
ts->printf(ts->LOG, "Error: Incorrect frame count in the video.\n");
ts->printf(ts->LOG, "Continue checking...\n");
ts->set_failed_test_info(ts->FAIL_BAD_ACCURACY);
return;
}
for (int i = 0; i < FRAME_COUNT; i++)
{
Mat frame; cap >> frame;
if (frame.empty())
{
ts->printf(ts->LOG, "\nVideo file directory: %s\n", ".");
ts->printf(ts->LOG, "Video codec: %s\n", std::string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Error: cannot create VideoWriter object for video_%s.%s.\n", string(&codecchars[0]).c_str(), ext[i].c_str());
ts->set_failed_test_info(ts->FAIL_EXCEPTION);
continue;
ts->printf(ts->LOG, "File name: video_%s.%s\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Video codec: %s\n", fourcc_str.c_str());
ts->printf(ts->LOG, "Error: cannot read the next frame with index %d.\n", i+1);
ts->set_failed_test_info(ts->FAIL_MISSING_TEST_DATA);
break;
}
for (;;)
Mat img = images[i];
const double thresDbell = 40;
double psnr = PSNR(img, frame);
if (psnr > thresDbell)
{
cap >> frame;
if (frame.empty())
{
ts->printf(ts->LOG, "\nVideo file directory: %s\n", ".");
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Error: cannot read next frame with index %d from the device.\n", framecount);
break;
}
cv::resize(frame, frame, Size(968, 757), 0, 0, INTER_CUBIC);
writer << frame; tmp_img[framecount] = frame;
framecount++;
if (framecount == IMAGE_COUNT) break;
}
cv::VideoCapture vcap(dir+"video_"+string(&codecchars[0], 4)+"."+ext[i]);
if (!vcap.isOpened())
{
ts->printf(ts->LOG, "\nVideo file directory: %s\n", ".");
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Error: cannot open video file.\n");
continue;
}
int FRAME_COUNT = (int)vcap.get(CV_CAP_PROP_FRAME_COUNT);
if (FRAME_COUNT != IMAGE_COUNT)
{
ts->printf(ts->LOG, "\nChecking frame count...\n");
ts->printf(ts->LOG, "Video file directory: %s\n", ".");
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Required frame count: %d Returned frame count: %d\n", IMAGE_COUNT, FRAME_COUNT);
ts->printf(ts->LOG, "Error: required and returned frame count are not matched.\n");
ts->printf(ts->LOG, "Continue checking...\n");
ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
}
cv::Mat img; framecount = 0;
vcap.set(CV_CAP_PROP_POS_FRAMES, 0);
for ( ; framecount < std::min<int>(FRAME_COUNT, IMAGE_COUNT); framecount++ )
{
vcap >> img;
if (img.empty())
{
ts->printf(ts->LOG, "\nVideo file directory: %s\n", ".");
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Error: cannot read frame with index %d from the video.\n", framecount);
break;
}
const double thresDbell = 20;
double psnr = PSNR(img, tmp_img[framecount]);
if (psnr > thresDbell)
{
ts->printf(ts->LOG, "\nReading frame from the file video_%s.%s...\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Frame index: %d\n", framecount);
ts->printf(ts->LOG, "Difference between saved and original images: %g\n", psnr);
ts->printf(ts->LOG, "Maximum allowed difference: %g\n", thresDbell);
ts->printf(ts->LOG, "Error: too big difference between saved and original images.\n");
continue;
}
ts->printf(ts->LOG, "\nReading frame from the file video_%s.%s...\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Frame index: %d\n", i+1);
ts->printf(ts->LOG, "Difference between saved and original images: %g\n", psnr);
ts->printf(ts->LOG, "Maximum allowed difference: %g\n", thresDbell);
ts->printf(ts->LOG, "Error: too big difference between saved and original images.\n");
break;
}
}
}
@ -651,48 +505,17 @@ void CV_SpecificImageTest::run(int)
void CV_VideoTest::run(int)
{
const char codecs[][4] = { {'I', 'Y', 'U', 'V'},
{'X', 'V', 'I', 'D'},
{'m', 'p', 'e', 'g'},
{'M', 'J', 'P', 'G'} };
printf("%s", ts->get_data_path().c_str());
int count = sizeof(codecs)/(4*sizeof(char));
for (int i = 0; i < count; ++i)
for (int i = 0; !specific_fmt_list[i].empty(); ++i)
{
VideoTest(ts->get_data_path(), CV_FOURCC(codecs[i][0], codecs[i][1], codecs[i][2], codecs[i][3]));
VideoTest(ts->get_data_path(), specific_fmt_list[i]);
}
}
void CV_SpecificVideoFileTest::run(int)
void CV_SpecificVideoTest::run(int)
{
const char codecs[][4] = { {'m', 'p', 'e', 'g'},
{'X', 'V', 'I', 'D'},
{'M', 'J', 'P', 'G'},
{'I', 'Y', 'U', 'V'} };
int count = sizeof(codecs)/(4*sizeof(char));
for (int i = 0; i < count; ++i)
for (int i = 0; !specific_fmt_list[i].empty(); ++i)
{
SpecificVideoFileTest(ts->get_data_path(), codecs[i]);
}
}
void CV_SpecificVideoCameraTest::run(int)
{
const char codecs[][4] = { {'m', 'p', 'e', 'g'},
{'X', 'V', 'I', 'D'},
{'M', 'J', 'P', 'G'},
{'I', 'Y', 'U', 'V'} };
int count = sizeof(codecs)/(4*sizeof(char));
for (int i = 0; i < count; ++i)
{
SpecificVideoCameraTest(ts->get_data_path(), codecs[i]);
SpecificVideoTest(ts->get_data_path(), specific_fmt_list[i]);
}
}
@ -702,11 +525,7 @@ TEST(Highgui_Image, regression) { CV_ImageTest test; test.safe_run(); }
#if BUILD_WITH_VIDEO_INPUT_SUPPORT && BUILD_WITH_VIDEO_OUTPUT_SUPPORT
TEST(Highgui_Video, regression) { CV_VideoTest test; test.safe_run(); }
TEST(Highgui_SpecificVideoFile, regression) { CV_SpecificVideoFileTest test; test.safe_run(); }
#endif
#if BUILD_WITH_VIDEO_INPUT_SUPPORT && BUILD_WITH_VIDEO_OUTPUT_SUPPORT && BUILD_WITH_CAMERA_SUPPORT
TEST(Highgui_SpecificVideoCamera, regression) { CV_SpecificVideoCameraTest test; test.safe_run(); }
TEST(Highgui_SpecificVideoFile, regression) { CV_SpecificVideoTest test; test.safe_run(); }
#endif
TEST(Highgui_SpecificImage, regression) { CV_SpecificImageTest test; test.safe_run(); }